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Finding the Fourth Proportional to 168,625.84, 251,059.34 and 166,270.90

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Solution

The fourth proportional to 168,625.84, 251,059.34 and 166,270.90 is: 247,553.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,625.84 : 251,059.34 = 166,270.90 : x
  2. Step 2: Convert to fraction form
    168,625.84/251,059.34 = 166,270.90/x
  3. Step 3: Cross multiply
    168,625.84x = 251,059.34 × 166,270.90
  4. Step 4: Simplify right side
    168,625.84x = 41,743,862,415.21
  5. Step 5: Solve for x
    x = 41,743,862,415.21/168,625.84
  6. Step 6: Final answer
    x = 247,553.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.